Available for freelance projects
Francisco Simões
Full-Stack Developer · Backend, AI & Integrations
I specialise in robust backend systems, APIs and AI integrations — and I also build professional websites in any style. 3+ years of professional experience, based in Lisbon.
01 — Projects
Featured work
Synced with GitHub — every new public repository shows up here automatically.
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02 — Architecture
Watch a request travel
A live simulation of how I design backend systems. Send a request and follow it through the stack — latencies are simulated, the response is real data from my GitHub.
// Send a request to see the response
Requests 0 · Avg latency — · Cache hits 0
03 — Experience
Journey
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May 2026 — Present
Senior Full-Stack Developer
Consultancy client confidential
- Migrating legacy .NET Core 2.2 / 3.x systems to the latest .NET.
- Maintaining, fixing and optimising the legacy platforms not yet migrated.
- New features in existing apps and a new analytics project on ThoughtSpot with a UK consultancy team.
- AI integrations (OpenAI, Azure OpenAI, Claude) and system integrations.
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Jan 2023 — Apr 2026
Software Developer
Claranet Portugal intern to Developer Analyst
Back-end development in C# / ASP.NET and SQL Server, plus Power Platform automation. Client projects:
- INA — RESTful APIs for the COFAP public-activities portal: data access and authentication, Angular front-end.
- ANACOM — modernised legacy forms with Power Platform and rebuilt the .NET API that generates PDFs from form data.
- Liga Portuguesa Contra o Cancro — new features in a .NET and SQL Server application.
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2021 — 2023 · Education
Information Systems Technologies & Programming
Higher Technician Course, Polytechnic Institute of Santarém.
04 — Contact
Let's build something together?
Need an API, a backend or a professional website? Tell me about your project.